Method and apparatus for control of reeling

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 18/26 (2006.01) B65H 18/20 (2006.01) B65H 23/00 (2006.01)

Patent

CA 2318275

In the method for controlling reeling in a reel-up of a paper web, a paper web (W) is guided via a rotating reeling cylinder (1) around a reel spoll (2) into a reel (R) in such a way that the paper web (W) is passed onto the reel via a nip (N) between the reeling cylinder (1) and the reel (R). The paper web (W) running onto the reel is subjected to a load by means of actuators of the reel-up, which load affects the structure of the reel and is controlled by means of measured variables determined during the reeling process. A reel density is used as the measured variable, the reel density being determined during the reeling process continuously or at intervals, wherein it is possible to implement a closed control loop.

Selon le procédé de commande de l'enroulage dans une enrouleuse de bande continue de papier, une bande continue de papier (W) est guidée à travers un cylindre d'enroulement rotatif (1), autour d'un mandrin de bobine mère (2), pour former une bobine (R), ce procédé consistant à faire passer cette bande continue de papier (W) sur la bobine à travers une ligne de contact (N) se trouvant entre le cylindre d'enroulement (1) et la bobine (R). La bande continue de papier (W) allant sur la bobine est soumise à une charge provenant d'actionneurs de l'enrouleuse, ladite charge modifiant la structure de la bobine, et étant commandée à l'aide de variables mesurées, déterminées lors du processus d'enroulage. On utilise comme variable mesurée une densité de bobine, cette densité étant déterminée, de manière continue ou par intervalles, durant le processus d'enroulage, dans lequel il est possible de mettre en oeuvre une commande en boucle fermée.

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